Remove some dead code from flashtool, sort data files
Remove some dead code from flashtool, sort data files

- Remove dead code around old filesystem handling
- Sort the data files we flash to give more consistent output.

Change-Id: Idb537258b2638f1834472d0b6bd634f34a09c317
GitOrigin-RevId: a5a40fc97175d2ba557a018874d5db6c4f829892

google-coral/coralmicro,google-coral/coralmicro,google-coral/coralmicro,google-coral/coralmicro,google-coral/coralmicro